1052645423 has 4 divisors (see below), whose sum is σ = 1114565760. Its totient is φ = 990725088.

The previous prime is 1052645383. The next prime is 1052645437. The reversal of 1052645423 is 3245462501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245462501 = 59 ⋅55007839.

It is a cyclic number.

It is not a de Polignac number, because 1052645423 - 2⁶ = 1052645359 is a prime.

It is a super-2 number, since 2×1052645423² = 2216124773125697858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052645423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052645483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30960143 + ... + 30960176.

It is an arithmetic number, because the mean of its divisors is an integer number (278641440).

Almost surely, 2^1052645423 is an apocalyptic number.

1052645423 is a deficient number, since it is larger than the sum of its proper divisors (61920337).

1052645423 is an equidigital number, since it uses as much as digits as its factorization.

1052645423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61920336.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1052645423 is about 32444.4975766308. The cubic root of 1052645423 is about 1017.2492277218.

The spelling of 1052645423 in words is "one billion, fifty-two million, six hundred forty-five thousand, four hundred twenty-three".